2619500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 72

約数和(自身を含む): 6394752

約数和(自身を除く): 3775252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 169, 250, 260, 310, 325, 338, 403, 500, 620, 650, 676, 775, 806, 845, 1300, 1550, 1612, 1625, 1690, 2015, 3100, 3250, 3380, 3875, 4030, 4225, 5239, 6500, 7750, 8060, 8450, 10075, 10478, 15500, 16900, 20150, 20956, 21125, 26195, 40300, 42250, 50375, 52390, 84500, 100750, 104780, 130975, 201500, 261950, 523900, 654875, 1309750, 2619500]

約数ペア:

[(1, 2619500), (2, 1309750), (4, 654875), (5, 523900), (10, 261950), (13, 201500), (20, 130975), (25, 104780), (26, 100750), (31, 84500), (50, 52390), (52, 50375), (62, 42250), (65, 40300), (100, 26195), (124, 21125), (125, 20956), (130, 20150), (155, 16900), (169, 15500), (250, 10478), (260, 10075), (310, 8450), (325, 8060), (338, 7750), (403, 6500), (500, 5239), (620, 4225), (650, 4030), (676, 3875), (775, 3380), (806, 3250), (845, 3100), (1300, 2015), (1550, 1690), (1612, 1625)]